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Linux Ubuntu — apt-get update / upgrade の違い

More than 1 year has passed since last update.

$ apt-get update

インストール可能なパッケージの「一覧」を更新する。
実際のパッケージのインストール、アップグレードなどはおこなわない。

$ apt-get upgrade

インストール済みのパッケージ更新をおこない、新しいバージョンにアップグレードする。
「有効なパッケージ一覧」を元に実行されるので、 apt-get update と組み合わせてつかう必要がある。

HLP

  update - Retrieve new lists of packages
  upgrade - Perform an upgrade

関連

YumaInaura
Ruby on Rails 業務経験 約5年 / Perl PHP Python Golang Linux Apache MySQL BigQuery Jenkins ansible AWS など / いなうらゆうま / YumaInaura / 稲浦悠馬
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